Which of the following is defined as a relationship between two or more entities that describes how they will use the security services to communicate?

Not only do you need to make plans for you upstream partners, you also need to take into account your downstream relationships, which are your ________

Fill in the blank(s) with correct word

How does IPSec verify that data arrived at the destination without intentional or accidental corruption?

A. By using a randomized hashing operation B. With the use of a compression technology C. By exchanging symmetric keys D. Through the use of public key encryption